treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / infiniband / hw / hfi1 / msix.h
blob1a02ab7971c88df09a93c054d0452b60ed519670
1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /*
3 * Copyright(c) 2018 Intel Corporation.
5 * This file is provided under a dual BSD/GPLv2 license. When using or
6 * redistributing this file, you may do so under either license.
8 * GPL LICENSE SUMMARY
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * BSD LICENSE
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions
23 * are met:
25 * - Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * - Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in
29 * the documentation and/or other materials provided with the
30 * distribution.
31 * - Neither the name of Intel Corporation nor the names of its
32 * contributors may be used to endorse or promote products derived
33 * from this software without specific prior written permission.
35 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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45 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48 #ifndef _HFI1_MSIX_H
49 #define _HFI1_MSIX_H
51 #include "hfi.h"
53 /* MSIx interface */
54 int msix_initialize(struct hfi1_devdata *dd);
55 int msix_request_irqs(struct hfi1_devdata *dd);
56 void msix_clean_up_interrupts(struct hfi1_devdata *dd);
57 int msix_request_general_irq(struct hfi1_devdata *dd);
58 int msix_request_rcd_irq(struct hfi1_ctxtdata *rcd);
59 int msix_request_sdma_irq(struct sdma_engine *sde);
60 void msix_free_irq(struct hfi1_devdata *dd, u8 msix_intr);
62 /* VNIC interface */
63 void msix_vnic_synchronize_irq(struct hfi1_devdata *dd);
65 #endif